120results about How to "Simple organization" patented technology

The utility model relates to a scrubber, in particular to a water absorption rake lifting mechanism convenient to adjust, which comprises a frame, a swing assembly, a driving assembly, a pressure applying assembly, a height adjusting assembly, an elevation angle adjusting assembly and a water absorption rake, and one end of the swing assembly is rotatably connected with the frame; one end of the driving assembly is rotationally connected with the frame; the pressure applying assembly is connected with the swinging assembly, and one end of the pressure applying assembly is rotationally connected with the frame and the driving assembly through the linkage assembly; the other end of the height assembly is in contact with the ground; the elevation angle adjusting assembly is installed on the swing assembly, and one end of the elevation angle adjusting assembly is rotationally connected with the swing assembly. The water absorption rake is installed on the swing assembly, and one end of the water absorption rake is hinged to the swing assembly. The elevation angle adjusting assembly is rotationally connected with one end of the water absorption rake. By means of the scheme, the problems that when an existing scrubber water absorption rake needs to be subjected to left-right height adjustment and front-back elevation angle adjustment, adjustment is difficult, and stability is poor can be solved.

The utility model discloses an auxiliary device for erecting an electric power high-voltage transmission cable, and belongs to the field of electric power operation auxiliary equipment. An auxiliary device for erecting a power high-voltage transmission cable comprises a mounting base which is of a double-layer structure, and further comprises four groups of positioning bottom feet which are rotatably connected to the inner wall of the mounting base and are uniformly arranged; the supporting telescopic column is mounted on the top wall of the mounting base, and the top of the supporting telescopic column is connected with a conveying plate; the control mechanism comprises a transmission assembly and a gear assembly, the output end of the gear assembly is connected with a third rotating roller and a fourth rotating roller, a sliding groove is formed in the top wall of the conveying plate, and the third rotating roller and the fourth rotating roller are slidably connected to the inner wall of the sliding groove. The conveying mechanism is arranged on the top wall of the conveying plate; according to the utility model, the conveyed power transmission line can be clamped at any time, the tension of the installed power transmission line can be adjusted, the mechanism is simple, the conveying is convenient, and the use process is stable.

An automatic wire feeding and discharging mechanism for an automatic wire feeding electric spark wire cutting machine tool is characterized in that a numerical control push-pull mechanism composed of a motor, a chain wheel and a chain pushes and pulls a wire drawing clamping trolley, an electrode wire is clamped and pulled to the position below a wire cylinder from a lower wire guide head of the machine tool, and then the electrode wire is hooked into a wire clamp of the wire cylinder through a wire hooking mechanism; in the automatic threading process of the machine tool, the electrode wire is pulled to the position below the wire cylinder from the lower wire guide head and enters the wire cylinder wire clamp, and the wire clamp of the trolley is normally closed and can be automatically opened to clamp and release the wire. And meanwhile, the chains are stored in the chain storage box outside the processing area by utilizing the gravity and the foldable flexibility of the chains, so that the adhesion of corrosion substances during processing is avoided. In addition, a detection function for detecting whether the wire head of the electrode wire is threaded in place in the wire clamping and drawing trolley is designed, and the mechanism improves the reliability and success rate of automatic wire threading.

The utility model relates to the technical field of waste glass recycling, and discloses a waste glass recycling and crushing device which comprises a base, a transmission mechanism is fixedly connected to the surface of the base, a crusher shell is fixedly connected to the surface of the base, the transmission mechanism is rotationally connected with a crushing mechanism, and the crushing mechanism is rotationally connected with the transmission mechanism. The base of the device adopts threaded ground feet, the height of the device can be adjusted by adjusting nuts, the device has the advantages of being convenient to install, simple in structure, low in cost, high in loading capacity and the like, a transmission mechanism adopts V-belt transmission, the V-belt transmission is large in friction force, compact in structure, high in transmission ratio and stable in operation, motor power can be effectively utilized, and machining cost can be reduced. A crushing mechanism in the crusher is a hammer type crushing mechanism, and the hammer type crushing mechanism has the advantages of being large in crushing ratio, high in production capacity, uniform in product, few in over-powder phenomenon, simple in mechanism, light in equipment mass, easy to operate and maintain and the like, and the hammer type crushing mechanism is suitable for crushing medium-hardness and brittle materials, can grind the materials into uniform particles and is high in production efficiency.

The utility model relates to the technical field of automatic testing of sensors, and discloses an automatic testing mechanism of a current sensor, which comprises a deck plate, a testing assembly is mounted on the deck plate, and a pressure head and a probe assembly are arranged at the top of the testing assembly. According to the utility model, the test assembly and the pressure head and probe assembly are arranged on the countertop and work together, so that parameters of the current sensor can be automatically tested, and the current sensor parameter testing device has the advantages of simple operation, high test efficiency, high precision, high automation degree, good safety, reliable result, simple mechanism, low equipment cost, convenience and rapidness, and the like. Therefore, the trouble that multiple sets of equipment such as a digital oscilloscope, a program-controlled voltage-stabilized source and a desk-type digital multimeter are needed to test each current sensor in the traditional mode is avoided, the time is effectively saved, and the labor cost is greatly reduced.

The utility model belongs to the technical field of dust treatment equipment, and particularly relates to a bag-type dust collector which comprises a rack, a box body is arranged at the top of the rack, a partition plate is arranged in the box body and divides the box body into a filtering chamber and a cleaning chamber, an ash bucket is arranged at the bottom of the filtering chamber, an air inlet pipe is arranged on the ash bucket, and an air outlet pipe is arranged on the cleaning chamber. A caisson is arranged at the bottom of the dust hopper; a filtering assembly is mounted in the filtering chamber; the cage frame comprises a supporting frame suspended on the mounting hole, a sleeve is fixedly connected to the middle of the supporting frame, a pull rod is slidably connected to the interior of the sleeve, a cap is detachably connected to the bottom end of the pull rod, a supporting ring used for supporting the filter bag is arranged at the end, close to the cap, of the pull rod, and a pull rope is arranged at the top of the pull rod; a rotating shaft is arranged in the cleaning chamber, the end of the pull rope is fixed to the rotating shaft, a driver used for controlling the rotating shaft to rotate is arranged outside the box body, and the problem that an existing bag-type dust collector is too complex in structure is solved.

The utility model discloses a vacuum degree control device which comprises a vertical pipe, the bottom of the vertical pipe is arranged in a sealed mode, the upper end of the vertical pipe is communicated with a transverse pipe, a vacuum sensor used for measuring the vacuum degree in the transverse pipe is installed on the transverse pipe, the transverse pipe is communicated with a first connecting pipe, and the first connecting pipe is communicated with a vacuumizing opening of reaction equipment through a first hose. The first connecting pipe is provided with a first valve, the lower end of the vertical pipe is communicated with a second connecting pipe, the second connecting pipe is communicated with an air inlet of the vacuum pump through a second hose, and the second connecting pipe is provided with a second valve; according to the utility model, the vertical pipe, the horizontal pipe, the vacuum sensor, the vacuum breaking valve, the first valve and the second valve are arranged, so that vacuum degree control operation can be carried out on any experimental equipment, the whole mechanism is simple, the manufacturing cost is low, and later overhaul and maintenance are facilitated.

This application discloses a corner module steering mechanism based on a rolling screw pair, comprising: a drive motor fixedly mounted on the vehicle body; a steering knuckle connected to the wheel hub, the steering knuckle having a steering arm and a lower connection point formed thereon, a steering tie rod connected to the steering arm, and the lower connection point being the lower point of the kingpin; and a rolling screw pair connected to the vehicle body, comprising a screw, a nut, and rolling elements, the nut being fitted onto the screw, the rolling elements being disposed between the nut and the screw, the nut being connected to the output end of the drive motor, and one end of the screw being connected to the steering tie rod, the screw being configured to move linearly only along the axial direction of the nut; when the wheel steers, the drive motor drives the nut to rotate and transmits the rotation through the rolling elements, causing the screw to move axially, which in turn drives the steering knuckle to rotate around the kingpin via the steering tie rod. This application eliminates the complex piping and pump structure of the hydraulic system, resulting in a simple and compact structure, and eliminating the possibility of hydraulic oil leakage.

The utility model belongs to the field of cooling water systems, and discloses a hydrodynamic cooling tower energy-saving fan which comprises a supporting assembly, a fan hub rotationally arranged on the supporting assembly and a plurality of blades annularly distributed on the periphery of the supporting assembly. At least one blade is provided with a water inlet channel and a nozzle, the water inlet cavity, the water inlet channel and the nozzle are sequentially communicated, and the nozzle is configured in the mode that the nozzle sprays water in the circumferential direction to drive the blades of the energy-saving fan to rotate. The water inlet cavity, the water inlet channel, the nozzle and other structures are arranged, return water potential energy of cooling water passes through the water inlet cavity and the water inlet channel, water is sprayed through the nozzle to serve as power to drive the blades to rotate, and the water cooling device has the advantages of being simple in mechanism, zero in power consumption, small in size and light in weight.

The utility model discloses a fire-fighting tank internally-sealed type leaking stoppage head which comprises a tank and an air inlet supporting and plugging pipe barrel piece, the air inlet supporting and plugging pipe barrel piece is inserted in the inner side surface of a crack of the tank in a penetrating mode, and the inner side surface of one end of the air inlet supporting and plugging pipe barrel piece is fixedly connected with a rubber air bag. A rubber air inlet nozzle is arranged on one side of the rubber air bag, the rubber air inlet nozzle is fixedly connected to the inner side surface of the air inlet supporting and plugging pipe barrel part, the outer surface of the air inlet supporting and plugging pipe barrel part is slidably sleeved with a supporting plate, and a plugging silica gel layer is arranged on one side of the supporting plate; the outer surface of the air inlet supporting and plugging pipe barrel part is connected with a locking nut through threads, the rubber air bag is adopted for supporting from the inner end, then the supporting plate and the silica gel layer are connected from the outer end in a sleeving mode, the supporting plate can be locked through the locking nut, then the silica gel layer extrudes a crack for sealing, the crack can be plugged through internal and external extrusion, sealing is firm, damage is not prone to occurring, and the service life of the air inlet supporting and plugging pipe barrel part is prolonged. The mechanism is simple and low in cost.

The utility model relates to the technical field of baking equipment, in particular to a novel synchronous connecting rod mechanism which comprises a fixed end plate, a free end plate, short connecting rods and long connecting rods, the middles of the two long connecting rods are rotatably connected into a synchronous unit through a pin, and a plurality of synchronous units are arranged between the fixed end plate and the free end plate. The pins are arranged at the midpoints of the long connecting rods, the distances between the multiple pins change synchronously, the distances between every two adjacent pins are equal, and the distance between the two rotatable connecting holes in the short connecting rods is equal to half of the distance between the two rotatable connecting holes in the two tail ends of the long connecting rods. The multiple synchronous units are arranged on the fixed end plate and the free end plate, so that the distances between the pins on the multiple synchronous units are changed equivalently, synchronous change of multiple components is achieved, and the mechanism is simple, firm, reliable, flexible in movement and multipurpose.

The utility model belongs to the technical field of battery manufacturing, and particularly relates to a battery hot-pressing feeding and discharging clamping jaw mechanism which comprises a mounting bottom plate, a clamping and supporting mechanism and a battery cell sucking mechanism, the clamping and supporting mechanism is mounted on the mounting bottom plate and used for clamping and supporting a battery cell, and the battery cell sucking mechanism is mounted on the mounting bottom plate and used for sucking the battery cell. And the battery cell sucking mechanism is mounted on the mounting bottom plate and is used for sucking a battery cell and placing the battery cell on the clamping and lifting mechanism. The device can be compatible with battery cells with different thicknesses, widths and heights for transferring, the suction cups are additionally arranged on the basis of a conventional mechanical clamping jaw to be matched with the conventional mechanical clamping jaw, the failure rate is low, and the mechanism is simple, convenient and adjustable.

The invention relates to the technical field of ham preparation, and discloses a light-operated fermented ham hanging method which comprises the following steps: a slope type slide rail is arranged in a closed ham production workshop with controllable illumination conditions, and one end of the slope type slide rail is inclined to the other end; the treated legs are hung on the hanging frame, and then the hanging frame on which the legs are hung is hung on the slope type sliding rail; the hanging frame slowly slides from the high end to the bottom end of the slope type sliding rail, and returns to the high end of the slope type sliding rail after reaching the bottommost end, so that circulating movement is formed; in the leg moving process, the illumination environment in the ham production workshop is controlled to illuminate the legs; a plurality of detection assemblies are arranged in a ham production workshop, legs in a circulating state are marked and observed, and the dehydration and fermentation conditions of the legs are detected and recorded. The ham production line is simple in mechanism and high in automation degree, improves the quality of finished ham products, improves the production efficiency, reduces the production and input cost, and has the advantage of low energy consumption compared with a western ham production technology.

The utility model discloses an efficient dusting machine for woven bags, which comprises a cylinder, a turbofan is arranged in the cylinder, an air inlet pipe is fixed at an air inlet of the turbofan, an air collecting hood is fixed outside the air inlet pipe, a mounting pipe is fixed at an air outlet pipe opening of the turbofan, an air filter is filled in the mounting pipe, and the air collecting hood is fixed at the air outlet pipe opening of the turbofan. A bevel exhaust pipe is arranged at the bottom of the mounting pipe, the outer cover of the cylinder is connected with a convex cover, the convex cover is clamped on the outer surface of the air filter, the turbofan is used for sucking dust, and the filling type air filter is matched for filtering, so that the dust can be quickly filtered, a filter element is convenient to disassemble, replace and clean, the maintenance is convenient, the mechanism is simple, and the dust removal equipment is low in cost.

The utility model relates to a drive rod and a clamp spring for a hand-operated valve, which comprise a drive main rod fixedly arranged on the hand-operated valve, the drive main rod comprises a limiting block arranged on the outer side wall of the middle part of the drive main rod and used for limiting the position of the hand-operated valve, and a clamp spring groove arranged at one end of the drive main rod, and the limiting block and the drive main rod are integrally formed; the driving tooth is connected with one end, far away from the clamp spring groove, of the main rod; the driving handle is connected with the driving teeth, and the driving main rod, the driving teeth and the driving handle are sequentially connected in a Z shape and are integrally formed. Compared with the prior art, the device has the advantages of high stability, difficulty in deviation or falling, simplicity in operation, high production efficiency and the like.

The present invention discloses an ultrasonic vibration powder spreading device for improving the density of a powder bed; it comprises a linear guide rail and a synchronous belt, and a vibration powder spreading device slidably mounted on the linear guide rail; the synchronous belt pulls the vibration powder spreading device and reciprocates along the track of the linear guide rail; the vibration powder spreading device comprises a slider, a vibration component and a powder spreading roller; one end of the powder spreading roller is connected to the vibration component, and the axis of the powder spreading roller is perpendicular to the linear guide rail; the vibration component generates mechanical vibration and transmits the mechanical vibration to the powder spreading roller; during the powder spreading process, the powder spreading roller pushes the powder to be spread on the molding plane and compacts the powder layer by vibration. This device changes the current situation in which the density of the laid powder layer in the existing powder bed additive manufacturing process is low, and there is gas in the powder bed that cannot be timely overflowed during the powder spreading process, resulting in the non-density of the formed part, and improves the density of the powder bed additive manufacturing formed part and the mechanical properties of the formed part.

The utility model relates to based on the installation structure technical field of television engineering equipment, and disclose based on the installation structure of television engineering equipment, including the corner mounting seat main part, the outer end fixed clamping of corner mounting seat main part has corner mounting plate main part, the outer end fixed mounting of corner mounting plate main part has signal monitor, and the mutual clamping butt joint of corner mounting plate main part and corner mounting seat main part, the inside surface of corner mounting plate main part is connected with first fastening bolt and second fastening bolt through screw thread, and the inner end of corner mounting seat main part is provided with male positioning slide strip, and the outer surface of corner mounting plate main part is provided with butt joint sliding groove, through adopting two -segment type buckle structure, and the mutual buckling of corner mounting seat main part and corner mounting plate main part is fixed, and is installed around the fixed frame of installation, and after installation, lock first fastening bolt and second fastening bolt and fix, can flexible regulation installation's height and angle, and installation is convenient and flexible, and the mechanism is simple and low in cost.

The utility model discloses a rotary feeding device for a welding machine, which comprises a rotating assembly and a plurality of feeding assemblies, the rotating assembly comprises a rotating driving part and a rotating part, the feeding assemblies are distributed on the rotating part in a circumferential array, the movable end of the rotating driving part is connected with the rotating part, the rotating driving part drives the rotating part to rotate, and the feeding assemblies are arranged on the rotating part. The feeding device comprises a plurality of feeding assemblies, the feeding assemblies are arranged on the feeding device to drive the feeding assemblies to feed in sequence, each feeding assembly comprises a feeding frame, a feeding platform and a pressing unit, the feeding platforms are arranged on the feeding frames in a lifting mode and are configured to bear workpieces, and the pressing units are installed on the feeding platforms and are configured to press and fix the workpieces located on the feeding platforms. According to the rotary feeding device for the welding machine, a conventional manual feeding mode is omitted, the rotating piece is driven to rotate through the rotating driving piece, the feeding assemblies are driven to conduct feeding in sequence, the mechanism is simple, design is ingenious, the feeding efficiency is remarkably improved, and the fast-paced production requirement is met.

The utility model discloses a six-degree-of-freedom high and low temperature rapid visual angle testing device, which comprises an environmental test box, a six-degree-of-freedom motion platform is arranged in the environmental test box, a clamp is arranged at the top of the six-degree-of-freedom motion platform, and a display screen assembly is clamped by the clamp; a cover shell is installed on the top face of the environment test box to form a darkroom, an optical visual angle detector is installed in the darkroom through a supporting and adjusting mechanism, a laser range finder is further installed in the darkroom, and the optical visual angle detector and the laser range finder are arranged downwards and face a display screen assembly in the environment test box. Therefore, the display screen assembly can be clamped and fixed on the clamp, the display screen assembly is driven to move in the space along with the action of the six-degree-of-freedom motion platform, the temperature in the environment test box can be changed and adjusted at any time and in time according to actual test requirements, and an optical visual angle detector in the darkroom above is matched for visual angle measurement; the overall operation is convenient, the testing flexibility is high, the testing operation efficiency is effectively improved, the mechanism is simplified, and the overall size is small.

The utility model provides an intelligent probe fixing frame for water area detection, which belongs to the technical field of water area detection, and comprises a telescopic assembly, a buffer assembly and a probe mounting rack, the telescopic assembly comprises an outer sleeve, a screw rod and an inner sleeve, the bottom end of the inner sleeve is fixedly connected with a horizontal support plate, and the bottom end of the horizontal support plate is fixedly connected with the screw rod; a vertical supporting plate is fixed below the horizontal supporting plate, a first reinforcing rib is connected between the vertical supporting plate and the horizontal supporting plate, a first U-shaped plate is rotationally connected to the first reinforcing rib through a bolt, and a probe mounting frame is fixed to the bottom of the first U-shaped plate through a first hydraulic damper. Different depth detection requirements can be met by controlling the telescopic assembly, the probe mounting frame is connected with the buffer assembly, the probe can be prevented from being damaged by impact, the mechanism is simple, the device is easy to unfold and fold, and rapid work is facilitated.

The present invention discloses a lifting chip detection device and method, wherein the detection device comprises a frame and a dual-axis moving module, a detection probe module, and an integrating sphere lifting module installed on the frame, the dual-axis moving module is provided with a chip lifting module, the detection probe module is provided with multiple groups of detection probes, the chip lifting module is used to carry the chip to be detected and lift the chip to a preset position and make the chip electrode and the detection probe electrically conductive, the dual-axis moving module is used to move the chip lifting module and the chip to be detected to a preset position, and the integrating sphere lifting module includes an integrating sphere device. The lifting chip detection device and method have advantages that the prior art does not have, such as high detection efficiency, simple structure, low implementation cost, and convenient maintenance.

This invention provides a cardiac training device for cardiac rehabilitation in cardiology, belonging to the technical field of training equipment. The cardiac training device includes a training base with a cushion at its top. A rotating shaft is symmetrically arranged at one end of the training base, and a training housing is fitted onto the outer surface of the rotating shaft. A T-shaped groove is provided at one end of the training housing, with a fixing hole on one side of the inner wall of the T-shaped groove. Universal wheels are provided at the bottom of the training housing. An adjustment component is also included, with a foot pedal component housed within the internal cavity of the training housing. A switching component is located on one side of the training housing. This invention meets different exercise needs of patients by setting up an adjustment component, and further ensures the training effect by setting up the linkage between the foot pedal component and the switching component.

The invention relates to the technical field of mining high-voltage explosion prevention, in particular to a mining safety type solid insulation high-voltage explosion-proof device which comprises a high-voltage cabinet and an electrified body, epoxy resin plates are fixedly connected to the front face of the high-voltage cabinet, a plurality of epoxy resin plates form an insulation cavity, the electrified body is located in the insulation cavity, and a partition plate is fixedly installed on the inner wall of the high-voltage cabinet. A reaction box is fixedly mounted on the left side of the partition plate, and a liquid box, a reaction mechanism, a collection mechanism and a turbulent flow mechanism are arranged in the reaction box. The mining safety type solid insulation high-voltage explosion-proof device is simple in mechanism, convenient to install, small and exquisite in cabinet body, compact in space and provided with an independent insulating chamber of an electrified body, the safety performance is improved, maintenance is convenient when a fault occurs, recovery can be achieved by replacing a circuit breaker, maintenance-free can be really achieved, the top plate is disassembled during disassembly, and the explosion-proof effect is achieved. The electrified body can be detached along the guide rail by pulling the electrified body upwards, maintenance is convenient when a fault occurs, recovery can be achieved by replacing a circuit breaker, and the maintenance-free effect can be really achieved.

The invention discloses a clamping arm type vehicle receiving device which comprises two oppositely-arranged clamping arm bodies, each clamping arm body comprises two oppositely-arranged clamping arm sets, each clamping arm set is composed of two clamping arms, and the two clamping arm sets are driven to synchronously act to clamp or loosen wheels. The clamping arm sets are connected with a clamping arm power air cylinder through a gear and rack transmission mechanism, and when the clamping arm power air cylinder acts, the clamping arm sets act synchronously. The clamping arm type vehicle receiving device is simple in mechanism and control, stable in vehicle receiving and convenient to use, and different vehicle types can be switched for use. And the device can be provided with a proper transmission walking device according to actual application requirements so as to meet the horizontal movement of the equipment.

The utility model discloses a diatom ooze coating device, and relates to the technical field of diatom ooze plate production. The moving mechanism is arranged at the top in the operation box and is used for adjusting the position during coating; and the coating pressure buffering mechanism is arranged on the moving mechanism and used for buffering pressure in the coating process, the coating pressure buffering mechanism comprises a plurality of buffering springs and a rolling brush, a mounting plate is arranged on the moving mechanism, and the multiple buffering springs are connected to the inner top of the mounting plate at equal heights. According to the diatom ooze coating device, through the use of the coating pressure relieving mechanism, the pressure of the rolling brush can be dispersed in the coating process, it is guaranteed that the pressure of the rolling brush is uniform in the using process, the using effect is improved, the coating quality is avoided, through the use of a scraping plate, diatom ooze coated with the rolling brush can be scraped flat, and the diatom ooze coating device is convenient to use and high in practicability. The rolling brush is prevented from being unsmooth after coating, the later-stage manufacturing effect is not affected, the mechanism is simple, and use is convenient.

The utility model relates to the technical field of overflow method glass manufacturing, in particular to a transverse cutting machine stabilizing device and a transverse cutting machine, which comprise a plurality of supporting components, the bottom ends of the supporting components are connected with an operation platform through an adjusting bottom plate, and the supporting components are used for supporting the transverse cutting machine; limiting assemblies are arranged at the top ends of the supporting assemblies, detachably connected with a bottom frame of the transverse cutting machine and used for limiting the transverse cutting machine. The transverse cutting machine is supported and stably limited by arranging the supporting assembly and the limiting assembly at the bottom of the transverse cutting machine frame, reliability is high, the mechanism is simple, and adjustment, installation and disassembly are easy. The swing amplitude in the horizontal direction generated in the working process of the transverse cutting machine is greatly reduced; and the equipment runs relatively stably during working, and the cutting precision is improved to the maximum extent. The problems that in the prior art, a suspension type transverse cutting machine swings in the production process, and the cutting precision is affected are solved.

The utility model relates to the technical field of mechanical clamps, and discloses a pin plate sample tension fatigue clamp for a full-temperature environment, which comprises a clamping rod, the outer wall of the clamping rod is slidably connected with a protective cover, the outer wall of the right end of the protective cover is rotatably connected with a connecting mechanism, the outer wall of the right end of the clamping rod is provided with a fixing mechanism, and the fixing mechanism is connected with the protective cover. The fixing mechanism comprises a cylindrical pin, a limiting assembly is arranged on the inner wall of the right end of the cylindrical pin, a cylindrical pin fixing seat is clamped to the outer wall of the right end of the cylindrical pin through the limiting assembly, a clamping groove A is formed in the outer wall of the cylindrical pin fixing seat, and a supporting mechanism is arranged on the outer wall of the inner wall of the right end of the clamping rod. And a pin plate sample is detachably mounted on the outer wall of the right end of the clamping rod. According to the utility model, the cylindrical pin and the cylindrical pin fixing seat as well as the cotter pin and the cotter pin fixing seat can be fixed through the limiting assembly, so that the pin plate sample is clamped and fixed more conveniently and quickly.

The embodiment of the invention discloses an elbow inserting and pulling mechanism, and relates to the technical field of medical instruments, the elbow inserting and pulling mechanism comprises a breathing mask main body and an elbow joint, the breathing mask main body is provided with a pipeline interface, and the elbow joint comprises an air inlet end and an airway mixing end which is inserted into the pipeline interface; at least two elastically-deformable supports are arranged between the outer side face of the air inlet end and the outer side face of the air channel mixing end, the tail ends of the two elastically-deformable supports are connected with a deformable cylindrical elastic deformation shoulder, the cylindrical elastic deformation shoulder is internally provided with at least two buckling positions, a buckling shoulder is arranged on the periphery of the pipeline connector, and the buckling positions are connected with the buckling shoulder. After the air channel mixing end is inserted into the pipeline connector, the buckling shoulder and the buckling position are buckled mutually, visualization is achieved, operation is easy and convenient, the number of overall mechanism accessories is small, and the mechanism is simple, so that the manufacturing cost is extremely low, and the mask is very suitable for the attribute that a mask is frequently replaced or discarded or used in a disposable mode as a consumable.

The utility model belongs to the technical field of brazing plate heat exchanger positioning tools, and particularly discloses a flexible positioning device for a brazing plate heat exchanger helium mass spectrum leak detection test, which comprises a tool substrate, two limiting plates and a positioning block, the two limiting plates are symmetrically fixed above the tool substrate, and the positioning block is arranged on the tool substrate. Positioning blocks are arranged on the opposite surfaces of the two limiting plates, a convex block is arranged at the end part of each limiting plate, a bayonet is formed at the corner of each convex block and the corresponding limiting plate, a sliding groove is formed in each limiting plate, a sliding block corresponding to each positioning block is connected in each sliding groove in a sliding manner, a fixing groove is formed in each positioning block, a bolt is arranged in each fixing groove, and a screw hole is formed in each sliding block; bolts penetrate through the fixing grooves and are in threaded connection in the screw holes to lock the positioning blocks. The brazing plate type heat exchanger is placed at the bayonet, so that the brazing plate type heat exchanger is located between the convex block and the corresponding positioning block, and after the positioning block is moved to slide and adjusted to a proper position, the positioning block is locked and fixed through the bolt.

The utility model discloses a wooden door plank packaging machine which comprises a machine body, a conveying roller is arranged at the inner end of the machine body, a door plank is placed on the surface of the conveying roller, a pressing roller is arranged at the upper end of the machine body, a conveying belt is arranged at the outer end of the machine body, and a film roller is installed at the upper end of the machine body. A first positioning roller, a second positioning roller and a third positioning roller are arranged on the inner side surface of the press roller at the rear end of the machine body, a support is arranged at the lower end of the machine body, an air cylinder is fixed to the surface of the support, a press plate is fixed to the end face of a first air cylinder push rod, and a cutting blade is fixed to the surface of the press plate. The first positioning roller, the second positioning roller and the third positioning roller are arranged at the rear end of the machine body, so that the film material is convenient to cut after being laminated, the mechanism is simple, the film material is convenient to position, dislocation is avoided, and laminating is convenient.